Paperback. Pub Date: 2017-04-01 Pages: $number Language: Chinese publisher: Tsinghua University Press operating system is a very practical subject. only reading the theoretical knowledge is far from enough. Must be deeply realized in practice and application. Based on many years of teaching practice and scientific research. the author combines the operating system to teach .

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Title: Operating system principles exercise and experimental guidance 21st century College computer education practical Planning textbook(Chinese Edition)
ISBN 10: 730246541X
ISBN 13: 9787302465416
Binding: paperback
Condition: New

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Synopsis

操作系统是一门实践性非常强的学科，只看书上的理论知识是远远不够的，必须在实践和应用中加以深刻的体会。作者在多年的教学实践和科学研究的基础上，结合操作系统教学大纲、研究生入学考试要求和软考考试大纲编写了本书。作者力求通过大量典型的例题解析和实验实践，帮助学生深入理解并能灵活运用操作系统知识。本书前8章为习题，每一章的内容分为例题解析、课后自测题、自测题答案及分析三部分。通过例题解析启发学生的思考，通过课后自测题学生可以进行自我检验，教师也可以对学生进行测试。第9章通过8个典型的实验，帮助学生对理论知识加深理解，促进学生进行创新的思考和应用。本书可作为高等院校计算机相关专业学生学习“操作系统”课程的配套习题集和实验指导，也可作为研究生入学考试的复习资料，对从事计算机工作的科技人员也具有一定的参考价值。1.“以问题为导向，以学生为中心”为指导思想，突出学生应用知识思考和解决问题的能力是本教材的主线。通过典型例题解析启发学生的思维，加深对理论知识的理解。自测题全面且具代表性，对于重点、难点的问题既给出了解答又有解题分析。2.通过自测题让学生独立思考，了解自己对知识的掌握程度，也可作为考研等的复习资料。实验内容包括：高响应比作业调度、时间片轮转进程调度、进程同步与互斥、内存分配与回收、FIFO页面置换算法、LRU页面置换算法、独占设备分配与回收、银行家算法，共8个实验。每个实验首先给出了明确的实验目标和实验内容，然后讲明实验原理并给出相应的知识点提示，*后给出参考程序和运行效果图。通过这些典型实验让学生对理论问题有更直观的认识和体验，激发他们学习的兴趣和创新的动力。3.本书的作者都是讲解操作系统课程多年的一线教师，内容上吸收了众多相关资源的精华，同时结合教学中的实践经验合理地进行内容的取舍，使习题具有代表性，实验内容典型丰富而且有利于培养学生的创新应用能力。另外提供相应的PPT课件满足实验课堂教学、课后练习和学生自学的需要。第3章进程并发控制3.1例题解析例题1进程间的互斥与同步表示了各进程间的。A.竞争与协作B.相互独立与相互制约C.临界区调度原则D.动态性与并发性分析：答案A。当多个进程都去访问非共享资源时就会产生竞争，需要互斥执行，通过临界区加以控制，当多个进程相互协作共同完成一个任务时，需要同步相关的信息以达到合作的目的。例题2若执行信号量S操作的进程数为3，信号量S初值为2，当前值为－1，表示有个等待相关临界资源的进程。A.0B.1C.2D.3分析：答案B。每当一个进程申请S信号量时，S的值就减1，当S的值为0时再申请的进程就需等待，负值的绝对值就表示在临界区等待的进程数。例题3由于并发进程执行的随机性，一个进程对另一个进程的影响是不可预测的，甚至造成结果的不正确，。A.造成不正确的因素与时间有关B.造成不正确的因素只与进程占用的处理机有关C.造成不正确的因素与执行速度无关D.造成不正确的因素只与外界的影响有关分析：答案A。由于各进程的异步推进，进程之间的制约关系与时间有关，也即与进程的执行速度有关。例题4下列机构中不能用于进程间数据通信的是。A.消息B.共享存储区C.信号量D.管道分析：答案C。能传送大量数据的高级

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